transactionHash is populated once the status reaches SENT or SUCCESSFUL. This is your blockchain proof of payment.user object is included for architectural consistency but will remain null for Partner API responses.curl --location --request GET 'https://partner-api-stage.p100.io/v1/crypto-withdrawal/details/607cb01a-859b-4122-85b1-156dfeb4aff4' \
--header 'x-api-key: <api-key>'{
"id": "607cb01a-859b-4122-85b1-156dfeb4aff4",
"amount": "0.00500000",
"fee": 0.003,
"status": "SUCCESSFUL",
"transactionHash": "0x3e08ed3ee2717266bd2f843d5c9c7f2e62993c39a17076533cc22ea7ea4e8601",
"currency": {
"name": "eth",
"network": "ethereum"
},
"createdAt": "2025-10-02T08:56:48.114Z",
"user": null
}